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Companies / Slack

Slack tech stack

slack.com

Slack provides a chat-based platform for team collaboration, connecting people, apps, and AI agents in channels. It serves teams and organizations across departments and industries.

Summarized from its homepage on 3 Nov 2026.

Classified asCommunicationsProductivity and collaboration

The Slack homepage

Vendors of Slack and the evidence for each

VendorCategoryEvidenceLevel
CloudflareCloud and infrastructureLikely
Websiteheader: cf-ray: a5856f391d46faf0-SJC10 Nov 2026Source
Companies using Cloudflare
Google Tag ManagerAnalyticsLikely
Websitescript: Script.src = '//www.googletagmanager.com/gtm.js?id=GTM-KH2LPK'; var n = document.query10 Nov 2026Source
Companies using Google Tag Manager
Google WorkspaceProductivityLikely
Websitemx: aspmx2.googlemail.com.10 Nov 2026Source
Companies using Google Workspace
OneTrustSecurity and identityLikely
Websitescript: https://cdn.cookielaw.org/scripttemplates/otSDKStub.js10 Nov 2026Source
Companies using OneTrust

No public list found

We did not find a public subprocessor list. The company may still publish one, or share it privately.

Certifications

StandardWhat the source saysChecked
FedRAMPListed in registryGovSlack, HighListed as FedRAMP Authorized in the official FedRAMP Marketplace data.8 Nov 2026Source

We last read its homepage on 10 Nov 2026 and the FedRAMP Marketplace on 8 Nov 2026. A standard not shown here was not found in these sources. That does not mean Slack lacks it.

Vendor's own statement, retrieved from the source URL on the date shown. StrataDB does not verify the underlying claim. Data sources.

See Slack's full stack

Every vendor with its source and date, and an alert when Slack adds or drops one. The same lookup works for any company.

  • Every company and vendor, with its public source
  • 100 API calls a month, plus MCP and the Chrome extension
  • Work email only. No card, no sales call